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SM830079

9. ELECTRICAL WIRING DIAGRAMS

(2)

Outdoor Unit

1

1

1

1

1

C1852

Fan Motor

C

S

R

Compressor
Motor

Terminal
Plate (6P)

Fuse

Capacitor (FM)

GND

Capacitor (CM)

PNK (RED)

BRN

FM

1

2

4

5

6

Power

Supply

CM

To Indoor Unit

BLK

BLK

WHT

BLK

WHT

BLK

RED

WHT

L1

L2

• Electric Wiring Diagram

G

G

Overload Relay

GRY

RED

3

Summary of Contents for C1852

Page 1: ... SYSTEM AIR CONDITIONER TECHNICAL DATA SERVICE MANUAL FILE NO INDOOR MODEL No PRODUCT CODE No OUTDOOR MODEL No PRODUCT CODE No XS1852 854 016 13 C1852 852 068 35 CL1852 852 068 36 XS1852 C1852 CL1852 Indoor Unit Outdoor Unit XS1852 C1852 CL1852 ...

Page 2: ... to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers Important CAUTION When Installing In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the o...

Page 3: ... CHARTS 14 1 Operating Current 14 5 AIR THROW DISTANCE CHART 15 6 REFRIGERANT FLOW DIAGRAM 16 7 INSTALLATION INSTRUCTIONS 17 8 ELECTRICAL DATA 22 9 ELECTRICAL WIRING DIAGRAMS 23 1 Indoor Unit 23 2 Outdoor Unit 25 10 PROCESSES AND FUNCTIONS 27 1 Room Temperature Control 27 2 Freeze Prevention 28 3 Drain Pump Control 28 4 Outdoor Fan Speed Control 29 11 SERVICE PROCEDURES 30 1 Troubleshooting 30 2 A...

Page 4: ...o find the problem fix it and restore the unit to its proper functioning This air conditioner has many helpful self diagnostic features to help you identify problem areas quickly So you will be ready when a problem happens we suggest you look this manual over and become familiar with it by following these steps 1 Look at the TABLE OF CONTENTS to get an idea of what is in this manual and where to f...

Page 5: ...L1852 Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maximum 95 F DB 71 F WB 115 F DB Minimum 67 F DB 57 F WB 67 F DB Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maximum 95 F DB 71 F WB 115 F DB Minimum 67 F DB 57 F WB 0 F DB ...

Page 6: ...L1852 Timer ON OFF 24 hours Program Fan speed Indoor Outdoor 3 and Automatic control 1 3 CL1852 Air deflection Horizontal Vertical Automatic Air filter Washable easy access Remote controller Accessory RCS 5PS4U Refrigerant control Capillary tube Refrigerant tubing connections Flare type Drain pump drain connection Max head 9 27 32 in above drain connection Compressor Rotary Operation sound Indoor ...

Page 7: ...2 760 32 21 32 880 Depth in mm 29 29 32 760 12 19 32 320 Net weight lbs kg 49 22 104 47 Indoor grille dimensions Height in mm 3 1 16 78 Width in mm 33 27 32 860 Depth in mm 33 27 32 860 Net weight lbs kg 11 5 Indoor Unit Height in mm 11 6 32 284 27 30 32 710 Package dimensions Width in mm 32 14 32 824 40 18 32 1 030 Depth in mm 32 25 32 833 16 6 32 411 Shipping weight lbs kg 57 26 112 51 Shipping ...

Page 8: ...se 60 Hz No of pole r p m 230 V High rpm 6 451 Nominal output W 40 Coil resistance Ω BRW WHT 114 0 ORG YEL 66 4 Ambient temperature 68 F WHT VLT 23 9 WHT PNK 77 4 VLT ORG 12 4 YEL BLK 82 1 Safety device Operating temperature Open F 266 14 4 Close F 174 2 27 Run capacitor VAC µF 440 V 3 5 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 14 9 Face area ft 2 m2 3 2 0 297 Pan...

Page 9: ... Operating ampere at 77 F A Run capacitor VAC µF 400 V 35 µF Crank case heater VAC W 230 V 20 W Refrigerant amount charged at shipment lbs kg R22 3 59 1 63 Fan Propeller Number diameter in mm 1 16 17 32 ø420 Fan motor Model KFG6 51E6P 1 KFG6T 51B6P 1 Source 230 208 V 1 phase 60 Hz No of pole rpm 230 V High C type 6 830 CL type 6 813 Nominal output W 50 Coil resistance Ω BRN WHT 102 WHT PNK 199 Amb...

Page 10: ...S26 Coil resistance kΩ 14 F 23 7 41 F 12 1 23 F 18 8 50 F 9 7 32 F 15 0 59 F 8 0 Thermistor Room or coil sensor KTEC 35 S6 Coil resistance kΩ 32 F 16 5 104 F 2 7 41 F 12 8 113 F 2 2 50 F 10 0 122 F 1 8 68 F 6 3 131 F 1 5 86 F 4 0 Reray G7L 2A TUB Coil rated V AC 220 240 V Contact rating V A 277 VAC 25A Drain pump WP20SL 21 Rated AC 200 V 14 7 W Float switch FS 0218 102 MAX Rated Contact rated AC 2...

Page 11: ...C 220 VAC 60 Hz Secondary 19 V 15 A Capacity 10 VA Coil resistance at 77 F Ω Primary WHT WHT 385 10 Secondary BRN BRN 3 3 10 Thermal cut off temperature F 276 F 1A 250 VAC Thermistor Outdoor Temp sensor DTNTKS132B Coil resistance kΩ 14 F 23 7 50 F 9 7 23 F 18 8 68 F 6 5 32 F 15 0 86 F 4 4 41 F 12 1 104 F 3 1 113 F 2 6 Reray 1X HH62S Coil rated DC 12 V Coil resistance at 77 F Ω 650 15 Contact rated...

Page 12: ...bolt pitch Grille center 23 7 32 Suspention bolt pitch 13 2 4 1 3 8 Air intake Air outlet Narrow tube 1 4 Wide tube 5 8 Drain connection Power line conduit size 1 2 For discharge duct Suspention bolt mounting 14 X view X 1331_X_S 12 13 3 8 14 5 29 32 10 1 32 7 7 8 Dimension inch 2 13 32 23 32 6 25 32 Remote controller Accessory 4 29 32 29 29 32 1 2 1 2 3 15 16 8 21 32 8 1 16 19 32 4 29 32 4 29 32 ...

Page 13: ...Outdoor Unit C1852 CL1852 Air discharge Air intake 5 8 21 19 32 13 5 32 12 7 32 23 15 16 34 21 32 5 11 32 4 ø15 32 3 7 16 2 5 32 Narrow tube service valve Wide tube service valve ø1 4 6 35 ø5 8 15 88 15 32 12 19 32 Unit inch mm 1880_C_I ...

Page 14: ...inlet air D B temp F C 10 5 9 8 9 1 8 4 7 7 7 0 6 3 5 6 4 9 4 2 3 5 Indoor inlet air D B temp F C 150 140 130 120 110 100 90 80 70 60 50 Low pressure psig kg cm 2 G at wide tube service valve 70 21 1 80 26 7 90 32 2 100 37 8 110 43 3 120 48 9 60 15 6 95 35 0 80 26 7 67 19 4 1882_M_I Indoor inlet air D B temp F C 11 12 10 9 8 7 6 5 70 21 1 80 26 7 90 32 2 100 37 8 110 43 3 120 48 9 Outdoor inlet ai...

Page 15: ...R THROW DISTANCE CHART MODEL XS1852 HORIZONTAL DISTANCE ft AXIS AIR VELOCITY ft sec VERTICAL DISTANCE ft AXIS AIR VELOCITY FAN SPEED COOLING ROOM AIR TEMP LOUVER ANGLE HIGH 80 F 30 1052_X_S 0 3 7 10 13 17 20 0 3 7 10 13 ...

Page 16: ...ry tube Insulation of Refrigerant Tubing IMPORTANT To prevent heat loss and wet floors due to dripping of condensation both the wide and narrow tubes must be well insulated with a proper insulation material The thickness of the insulation should be a min 5 16 in After a tube has been insulated never try to bend it into a narrow curve because it can casue the tube to break or crack Insulation Thick...

Page 17: ..._M_I Models C1852 Tubing Data CL1852 Tubing size Narrow tube in mm 1 4 6 35 Thickness 0 0314 0 8 mm outer dia Wide tube in mm 5 8 15 88 Thickness 0 0394 1 0 mm Limit of tubing length ft 65 Outdoor unit is higher 23 than indoor unit ft Outdoor unit is lower 23 ft Max allowable tubing length at shipment ft 33 Required additional refrigerant 1 oz ft 0 27 No additional charge of compressor oil is nece...

Page 18: ...ion of the unit occurs DO ã select an appropriate position from which every corner of the room can be uniformly cooled ã select a location where the ceiling is strong enough to support the weight of the unit ã select a location where tubing and drain pipe have the shortest run to the outdoor unit ã allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 2 ã in...

Page 19: ...tion of the outdoor unit orincompletecombus tion may result ãDo not introduce for eign matter into the air intake outlet or ex haust Do not poke them with such ob jects as a stick ã provide a solid base level concrete pad concrete block 4 in 16 in 10 40 cm beams or equal a minimum of 4 in 10 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased s...

Page 20: ... or become damaged 5 Do not allow wiring to touch the refriger ant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 7 Regulations on wire diameters differ from locality to locality For field wiring rul...

Page 21: ...power is applied if the system has been incorrectly wired 1 Ground the unit in accordance with local codes 2 Be sure to size each wire allowing sev eral inches longer than the required length for wiring 3 Use lock nuts to secure the conduit tubes 1823_M_I 2 1 3 2 1 3 4 5 6 G G Inter unit Power lines B 230 208 V 230 208 V 230 208 V INDOOR OUTDOOR UNIT INDOOR UNIT Disconnect switch Field supply Grou...

Page 22: ...0 11 0 10 1 56 1 53 1 79 1 74 Full load conditions A 0 60 0 60 0 5 0 5 8 4 9 5 9 7 10 57 kW 0 12 0 11 0 11 0 10 1 93 1 96 2 16 2 17 Starting amperes A 1 1 0 7 0 6 43 43 44 7 44 6 Rating Conditions Indoor Air Temperature 80 F DB 67 F WB Outdoor Air Temperature 95 F DB Full Load Conditions Indoor Air Temperature 80 F DB 67 F WB Outdoor Air Temperature 115 F DB Electrical characteristics Indoor model...

Page 23: ...h Terminal Earth Terminal Earth Terminal Earth Terminal ORG VLT WHT BRN BRN PNK BRN GRN YEL GRY BLK BLK GRY FMI LM Controller CR TS2432 E 2P RED TH1 TH2 Room 2 1 BLK BLK 2P YEL TH2 3P GRN LM 2 1 TR1 P S 2 1 PRY 2P WHT SEC 2P WHT DP 3P BLU FS 3P RED 3P WHT 49FMI FM COM SUP 5P WHT GRY BLK BLK BLK BLK WHT WHT BRN BRN 7P WHT M H L 7P WHT W LESS 3P WHT SW ASSY 7 1 7 1 IND Lamp Assy Switch Assy RED ORG ...

Page 24: ...1 9 8 7 3 5 4 5 6 RY1 RY2 RY2 H L M 1 3 49FMI RY3 RY4 PR PR Symbols Description FMI 49FI RC1 F1 DP LM TR1 PR RY1 RY5 Indoor Fan Motor Indoor Motor Thermal Protector Running Capacitor Fuse Drain Pump Auto Louver Motor Power Transformer Power Relay Auxiliary Relay Symbols Description FS TH1 TH2 CR TS2432 IND SW Float Switch Thermistor Indoor Coil Room Thermistor Indoor Controller Indicator Lamp Assy...

Page 25: ...Unit 1 1 1 1 1 C1852 Fan Motor C S R Compressor Motor Terminal Plate 6P Fuse Capacitor FM GND Capacitor CM PNK RED BRN FM 1 2 4 5 6 Power Supply CM To Indoor Unit BLK BLK WHT BLK WHT BLK RED WHT L1 L2 Electric Wiring Diagram G G Overload Relay GRY RED 3 ...

Page 26: ...nnector Controller BLK BLU BLK BLK P S 1 2 3 4 1 2 S 1 1 3 3 3 4 Electric Wiring Diagram Fan Motor C S R Compressor Motor Terminal Plate 6P Fuse Capacitor FM GND Capacitor CM PNK RED BRN GRY WHT VLT FM 1 2 4 5 6 Power Supply CM To Indoor Unit WHT 06 BLK 08 RED 07 RED 05 BLK 04 WHT 03 BLK 02 BLK 01 BLK WHT L1 L2 G G Overload Relay YEL RED 16 3 19 20 RED 14 13 15 17 18 22 21 1 3 5 7 1 3 5 7 Crankcas...

Page 27: ...the compressor stops it will not start running again for 3 minutes If you change the operation mode during the cooling cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor Thermo ON When room temperature rises 1 F above the set temperature T T 1...

Page 28: ...pump operates when compressor starts to operate or when Float Switch turns off Fig 10 COMPRESSOR OUTDOOR FAN INDOOR FAN OFF OFF OFF OFF INDOOR COIL TEMPERATURE MORE THAN 10 MINUTES FREEZE PREVENTION 6 MINUTES 10 MINUTES FREEZE PREVENTION 6 MINUTES THERMO ON 30 F ON ON ON ON ON ON 1029_X_S SET SPEED THERMO OFF ON ON ON ON ON ON ON ON ON ON SET SPEED OFF OFF OFF OFF OFF OFF FLOAT SWITCH ON low water...

Page 29: ... to control the fanspeed automatically If the outdoor temperature falls below 57 F the fan speed switches to MED If the outdoor temperature falls below 30 F the fan speed switches to LOW 57 F 30 F Outdoor temperature Fan speed 1 Fan motor output 2 Line voltage 115V or 230V HIGH MEDIUM LOW 3 1 BLU GRY or WHT GRY 5 1 VLT GRY 7 1 YEL GRY 1893_M_I Fig 11 1 Regardless of outdoor temperature outdoor fan...

Page 30: ...utdoor unit 3 3 3 3 3 Check power supply Check that voltage is within the specified range 10 of the rating Check that power is being supplied If the following troubleshooting must be done with power being supplied be careful not to touch any uninsulated live part that can cause ELECTRIC SHOCK 4 4 4 4 4 Check the lead wires and connectors in indoor and outdoor units Check that the sheath of lead wi...

Page 31: ... cords OK NO NO Insulation of outdoor unit is defective Execute rewiring Remove inter unit power line from the terminal plate in the outdoor unit Check insulation resistance of outdoor unit OK Remove inter unit power line from the terminal plate in the indoor unit Check insulation resistance of indoor unit OK Inter unit power lines are defective NO Insulation of indoor unit is defective Check insu...

Page 32: ...t breaker is tripped Power failure Reset the breaker Wait for recovery or consult power supply company NO B Check remote control unit Check capacity of circuit breaker NO Check resistance of outdoor fan motor winding 0614_X_S Is capacity of circuit breaker sufficient Check resistance of compressor motor winding Replace it with a suitable one larger capacity 0616_X_S Try to run both indoor and outd...

Page 33: ...Has Operation selector switch been set to ON position YES Set Operation selector switch to ON NO But neither unit runs Switch Ass y or P C B Ass y in the indoor unit is defective IND LAMP Ass y or P C B Ass y in the indoor unit is defective Check resistance of transformer winding TR1 1033_X_S 1894_X_I Check coil resistance of auxiliary relay RY1 RY5 ...

Page 34: ...r twice by hand Check fan casing for foreign matter on the inside Remove foreign matter or repair Repair or replace Fan cannot be rotated OK Check fan motor capacitor Fan motor burnout or foreign matter in bearing 1895_X_S Check fuse on the P C B Ass y in the indoor unit for continuity Check transformer TR1 Check resistance of indoor fan motor winding FMI Check resistance of louver motor winding L...

Page 35: ... set to COOL NO Set to COOL 0624_X_S Try to lower set temperature by Temperature setting button COOLER Set Operation selector switch to TEST in the indoor unit YES Outdoor unit runs Is room temperature too low NO Try to run both indoor and outdoor units with another remote control unit OK The other remote control unit is defective Room sensor in the remote control unit is defective ...

Page 36: ...ompressor motor magnetic contactor PR 1896_X_S 1897_X_S Check voltage between terminals No 1 and No 2 at terminal plate Check P C B Ass y No voltage appears P C B Ass y is defective 0629_X_S Is drainage prevented from flowing Check drain hose YES Check float switch FS NO Wait for 20 minutes 1335_X_S Check voltage between terminals No 5 and No 6 at terminal plate Check P C B Ass y No voltage appear...

Page 37: ...capacitor OK Relay RY1 or RY2 on the P C B Ass y is defective Check fan rotation Rotate the fan gently once or twice by hand 0631_X_S Check fan casing for foreign matter on the inside Remove foreign matter or repair Repair or replace Fan cannot be rotated Fan motor burnout or foreign matter in bearing OK 0630_X_S P C B Ass y is defective Check resistance of louver motor winding P C B Ass y or remo...

Page 38: ...tated Fan motor burnout or foreign matter in bearing 7 Outdoor Fan does not Run for CL1852 Check fuse on PCB Ass y in outdoor unit for continuity Check resistance of primary winding of transformer TR 1038_X_S If fuse blows 8 Compressor does not Run Check compressor motor capacitor RC1 Wait for 30 minutes until com pressor has cooled Compressor runs Compressor internal thermal protector is operated...

Page 39: ...ence is small YES Check clogging of air filter Temperature difference between suction and discharge air is large enough Approx 10 deg or more Clean filter Air filter is clogged Set fan speed to either HIGH or MEDIUM Is fan speed set to LOW Reduce cooling load or replace the unit with higher cooling capacity Review cooling load estimate if performance of air conditioner is normal YES The set temper...

Page 40: ... No continuity in sensor Neither outdoor fan nor compressor runs b Short Outdoor fan and compressor do not stop Excessive cooling 3 Operation of Major Electrical Parts Oudoor unit Fan Compressor Manual Thermo ON V V V V V Thermo OFF V V V Night Thermo ON V V V V V V setback Thermo OFF V V V Timaer ON Timer V set OFF Timer V V V V V V Freeze prevention V V V V V Sweep Cool V V V V V V Fan V V Stop ...

Page 41: ...utdoor Unit Measure the resistance by placing a probe on the terminal plate in the same manner as explained above 2 Fig 14 4 4 4 4 4 Measurement of Insulation Re sistance for Electrical parts Disconnect the connector of the desired electric part from terminal plate P C B Ass y etc Fig 15 Similarly disconnect the lead wires from compressor capacitor etc Fig 16 Measure the resistance in the same man...

Page 42: ...proved normal if there is a continuity between terminals 1 1 1 1 1 Indoor fan motor thermal protector 49FI Indoor unit Disconnect the connector which leads to the indoor fan motor FMI Check the socket s terminals 2 2 2 2 2 Compressor motor thermal protector Outdoor unit Disconnect the wires from terminals of compressor Check the terminals of compressor 3 3 3 3 3 Outdoor fan motor thermal protector...

Page 43: ...nent specifications 3 3 3 3 3 Indoor fan motor FMI Indoor unit Measure the coil resistance Measure the resistance between each terminal of the socket connected to the indoor fan motor Refer to 2 2 A Major component specifications 4 4 4 4 4 Outdoor fan motor FMO Outdoor unit Measure the coil resistance Measure the resistance in the same manner as explained above 2 Refer to 2 2 B Major component spe...

Page 44: ...W Fig 20 3 For replacement insert a fuse of the same rating to the intended position and solder it Allow time to radiate heat during sol dering so that the fuse does not melt When replacing the fuse be sure not to break down the varistor 4 Thermistor Characteristic Curve CAUTION NOTE 1 Room temp sensor KTEC 35 1 Coil sensor PBC 41E Resistance kn 50 59 68 77 86 95 104 10 9 8 7 6 5 4 3 2 1 Temperatu...

Page 45: ...ompany CENTRAL REGION 1739 Sands Place Suite G Marietta GA 30067 Phone 770 951 8284 Fax 770 951 2077 Sep 2000 Printed in U S A The specifications designs and information in this brochure are subject to change without notice ...

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